From 0936dbdd03ced9b3cb55fa938b1e7f93858bfaf1 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 4 Apr 2008 12:26:53 +0000
Subject: [PATCH] Add missing include for is_void

[SVN r44030]
---
 include/boost/function/detail/prologue.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/function/detail/prologue.hpp b/include/boost/function/detail/prologue.hpp
index ab2b323..7b41637 100644
--- a/include/boost/function/detail/prologue.hpp
+++ b/include/boost/function/detail/prologue.hpp
@@ -22,4 +22,5 @@
 #  include <boost/preprocessor/cat.hpp>
 #  include <boost/preprocessor/repeat.hpp>
 #  include <boost/preprocessor/inc.hpp>
+#  include <boost/type_traits/is_void.hpp>
 #endif // BOOST_FUNCTION_PROLOGUE_HPP